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They are known as ultra-fast outflows (UFOs), powerful space winds emitted by the supermassive black holes (SMBHs) at the center of active galactic nuclei (AGNs) – aka. “quasars.” These winds (with a fun name!) move close to the speed of light (relativistic speeds) and regulate the behavior of SMBHs during their active phase.

These gas emissions are believed to fuel the process of star formation in galaxies but are not yet well understood. Astronomers are interested in learning more about them to improve our understanding of what governs galactic evolution.

This is the purpose of the SUper massive Black hole Winds in the x-rAYS (SUBWAYS) project, an international research effort dedicated to studying quasars using the ESA’s XMM-Newton space telescope.

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Back on New Year’s Day, I wrote a piece for VentureBeat predicting 2023 as the year of mixed reality. On Monday of next week, the world will see why I still believe this is true. That’s the day Apple is expected to unveil its long-awaited mixed reality headset, a product rumored to be called the “Reality Pro” and certain to set the standard for immersive experiences.

This is a big deal.

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Researchers have for the first time characterized a unique molecular mechanism of the early stages of programmed cell death or apoptosis, a process which plays a crucial role in prevention of cancer.

The study, which is published June 2, 2023 in Science Advances, was led by Dr. Luke Clifton at the STFC ISIS Neutron and Muon Source (ISIS) in Oxfordshire, alongside co-lead Professor Gerhard Gröbner at the University of Umeå and partners at the European Spallation Source in Sweden. It is the most recent in a series of research collaborations by this team, investigating the responsible for apoptosis.

Apoptosis is essential for human life, and its disruption can cause to grow and not respond to cancer treatment. In , it is regulated by two proteins with opposing roles known as Bax and Bcl-2.

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Year 2022 o.o!!!

From ocean depths to mountain peaks, humans have littered the planet with tiny shards of plastic. We have even absorbed these microplastics into our bodies—with uncertain implications.

Images of plastic pollution have become familiar: a turtle suffocated by a shopping bag, washed up on beaches, or the monstrous “Great Pacific Garbage Patch” of floating detritus.

Millions of tonnes of plastic produced every year, largely from , make their way into the environment and degrade into smaller and .

Continue reading “‘They’re everywhere’: microplastics in oceans, air and human body” | >

While OpenAI launched an official ChatGPT app for iOS, most of the AI-powered chatbots are still best accessible through the web. And that’s why browsers are stepping up to integrate AI-aided features within their apps. LocalGlobe-and Y Combinator-backed web browser startup SigmaOS launched its own AI assistant on Thursday to a limited set of people.

The company says that the unique thing about Airis, its AI assistant, is that understands a page’s context and gives you answers based on that. Here’s a good example: if you are reading about Manchester United, ask Airis to explain “United” or ask questions about it, the bot understands that you are asking about the football team and not just the word.

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